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WN 3851 Jacksonville to Chicago Flight Status

Southwest Airlines Flight WN3851 from Jacksonville International Airport JAX to Chicago Midway International Airport MDW is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 4th, 2025.
Check the table below for WN3851's most recent flight history:

WN 3851 Flight Status & Schedule

Date Departure Arrival Status
Jun 04 07:27 08:31
Landed
Track >
Jun 03 07:30 08:28
Landed
Track >
Jun 02 18:27 19:24
Landed
Track >

Southwest Airlines WN 3851 Jacksonville to Chicago Flight Information

Southwest Airlines Flight WN3851 connects Jacksonville, United States to Chicago, United States, taking off from Jacksonville International Airport JAX and landing at Chicago Midway International Airport MDW.

How long is the WN3851 flight from Jacksonville to Chicago?

The average flight time from Jacksonville to Chicago is 1 hour and 59 minutes. The flight distance is 1368 km / 850 miles and the average flight speed is 686 km/h / 426 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3851 Jacksonville to Chicago?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3851 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN3851 flight?

The latest flight took off on Wednesday, June 4th, 2025 with the flight status being Landed on 08:31.

How else can the flight WN3851 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3851, WN 3851, SWA 3851.

How often is flight WN3851 delayed?

On average, 33% of all WN3851 flights are delayed. The average delay is 4 minutes.

Can I get compensation for my delayed or cancelled WN3851 flight or baggage issues?

If your WN3851 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our WN3851 Flight Tracker above for more details.

WN3851 and Jacksonville JAX to Chicago MDW Flights

Other flights departing from Jacksonville JAX: AA3088, AA4657, WN4027, WN191

Other flights arriving at Chicago MDW: WN1489, WN1841, WN3023, WN1453

All flights connecting Jacksonville JAX to Chicago MDW.

WN3851 Southwest Airlines Flight: Jacksonville to Chicago Route Map

WN3851 Southwest Airlines Flight Map: Jacksonville to Chicago
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.